B3311331313231311331322331333132323132313113313231323133313231323233231323321
>>
B331133131323131133132233133313232313231311331323132313331323132323323132332
<<
B3311331313231311331322331333132323132313113313231323133313231323233231323323
>>
B3311331313231311331322331333132323132313113313231323133313231323233231323322
>>